Resonant Raman scattering from amplitude modes in trans-(CH)x and -(CD)x

Z. Vardeny; E. Ehrenfreund; O. Brafman; B. Horovitz

doi:10.1103/PhysRevLett.51.2326

Resonant Raman scattering from amplitude modes in trans-(CH)x and -(CD)x

Z. Vardeny, E. Ehrenfreund, O. Brafman, B. Horovitz

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Abstract

The three resonantly enhanced Raman vibrations in trans-(CH)x and -(CD)x are described in terms of amplitude modes associated with the Peierls gap. The dispersion in the Raman-line profiles is explained by inhomogeneity. A narrow distribution of the effective electron-phonon coupling constant is required to account for the observed spectra in detail. The resonant Raman vibrations and the ir-active modes induced by doping or photogeneration are all described by the same form of dressed phonon propagator.

Original language	English
Pages (from-to)	2326-2329
Number of pages	4
Journal	Physical Review Letters
Volume	51
Issue number	25
DOIs	https://doi.org/10.1103/PhysRevLett.51.2326
State	Published - 1 Jan 1983
Externally published	Yes

ASJC Scopus subject areas

General Physics and Astronomy

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10.1103/PhysRevLett.51.2326

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abstract = "The three resonantly enhanced Raman vibrations in trans-(CH)x and -(CD)x are described in terms of amplitude modes associated with the Peierls gap. The dispersion in the Raman-line profiles is explained by inhomogeneity. A narrow distribution of the effective electron-phonon coupling constant is required to account for the observed spectra in detail. The resonant Raman vibrations and the ir-active modes induced by doping or photogeneration are all described by the same form of dressed phonon propagator.",

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N2 - The three resonantly enhanced Raman vibrations in trans-(CH)x and -(CD)x are described in terms of amplitude modes associated with the Peierls gap. The dispersion in the Raman-line profiles is explained by inhomogeneity. A narrow distribution of the effective electron-phonon coupling constant is required to account for the observed spectra in detail. The resonant Raman vibrations and the ir-active modes induced by doping or photogeneration are all described by the same form of dressed phonon propagator.

AB - The three resonantly enhanced Raman vibrations in trans-(CH)x and -(CD)x are described in terms of amplitude modes associated with the Peierls gap. The dispersion in the Raman-line profiles is explained by inhomogeneity. A narrow distribution of the effective electron-phonon coupling constant is required to account for the observed spectra in detail. The resonant Raman vibrations and the ir-active modes induced by doping or photogeneration are all described by the same form of dressed phonon propagator.

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Resonant Raman scattering from amplitude modes in trans-(CH)x and -(CD)x

Abstract

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